Lock-nut for vehicle-axles.



No. 781,803. PATENTED FEB. 7, 1905. W. BELPIELD, R. SHEARER, J. FINDLAY,G. BELPIELD & G. GLEASON.

LOCK NUT FOR VEHICLE AXLES.

APPLICATION FILED m3. 9, 1904.

WITNIB SES INVENTORS! fim mm W M w BY iwmda.

A TTORN E Y.

Patented February 7, 1905.

\YILLIAH BELFIELD, ROBERT SHEARER, JOHN FINDLAY, (IAMALIEL BICLFIELI).AND GEORGE GLEASON,

OF MINOOKA, ILLINOIS.

LOCK-NUT FOR VEHlCLE-AXLES.

SPECIFICATION forming part of Letters Patent No. 781,803,

dated February 7, 1905.

Application filed March 9,1901. Serial No. 197,290

Be it known that we, \VILLIAM BnLrrnLo, Ronicn'r Susanna, JOHN FINDLAY,(JrAMA LInL Bnrrnnin, and GEORGE Grieasox, citizens of the UnitedStates, residing at Minooka, in the county of Grundy and State ofIllinois, have invented a new and useful Improvement in Lock-Nuts forVehicle-Axles, of which the following is a specification.

()ur invention relates to lock-nuts for vehicle-axles; and our object isto provide a construction better adapted to attain the result desiredthan is shown in the invention embodied in Letters Patent of the UnitedStates No. 710.2%), of September 30, 1902, granted to \YillianiBellield, Robert Shearer, John Findlay, and Gamaliel Beltield, the samebeing more particularly described hereinafter r and illustrated in theaccompanying drawings, in which- Figure I is a perspective view of theend of an axle spindle, showing oppositely-disposed lateral lugs inwhich are recesses adapted to receive lugs projecting from the interiorwall of the nut, as hereinafter described. Fig. 2 is a front elevationof the nut, showing a locklever pivotally mounted therein and flush withthe outer face thereof. Fig. 3 is a rear elevation of the nut, showingthe inner projecting end 'of the lock-lever in proper position and alsothe rear ends of two inwardlyprojecting lugs which are formed forbeveled abutments for holding the nut from sliding longitudinally of theaxle-spindle when the lugs are turned into engagement with the recessesof the lugs thereon. Fig. 4 is a crosssection of the nut on broken lineAB, Fig. 2, looking in the direction indicated by arrow C to illustratethe lock-lever in proper position, together with one of the beveledabutments above referred to. Fig. is a plan of the outer end portion ofan axle-spindle with the end broken away to the same cross-section asthe nut mounted thereon, which latter is shown in the same section as inFig. at to illustrate manner of locking the nut.

Like numerals indicate like parts througlrout the several views.

The axle-spindle l is provided with a tenon portion at the extreme outerend, and integral therewith are two oppositely-disposed lugs 2 and 3. Ineach of these lugs is formed a recess, as at t, the rear face 5 thereofbeing to an angle less than a right angle to the longitudinal center ofthe spindle. There is a hole through the nut, and at opposite sidesthereof project lugs, such as 6, which have inclined end surfaces, asshown in Fig. l at T, which are adapted to be turned, with the nut, intothe recesses I and on account of close contact with the inclined faces 5hold the nut from outward movement.

The outer ends of the lugs 2 and 3 terminate at a distance from the tipof the axle and are each inclined or beveled so that it tapers graduallyand unites with the surface of the spindle with a feather-edge, and thebore 01' opening through the nut also tapers to correspond with theexterior of said lugs, so that it is substantially bell-shaped inlongitudinal cross-section, as shown in Figs. 4 and 5. This constructionpermits of the nut being easily and quickly placed upon the end of thespindle, as the flaring end of the bell is much larger than the end ofthe spindle and there are no sharp angles or abrupt corners or shouldersto interfere with each other and require a partial rotation of the nut.It also causes a slight inward movement of the nut on the axle to agreater or less extent, caused by the engagement of the faces 5 and 7,which are straight from end to end and slightly inclined or located atan angle to the axis of the spindle, so that they have a tendency totighten the nut by the cooperation of the longitudinal bell shape of thenutand axle and the circumferential wedge action of the inclined facesof the shoulders and lugs.

At 8 is a notch in the outer end of the tenon of the axlespindle, and atS) is pivotally mounted in the nut a lock-lever 10, whose inner end isfitted and so relatively disposed that it will engage in the notch 8when the nut is in position, with inclined lugs disposed in the recessesof the axle-spindle, and thus lock the nut from turning to the openposition. The lever is held in its normal or operative position by aspring 11, which is seated in a longitudinal recess in the nut. It ispreferably located in one corner of the nut, so that the pin on which itis pivoted can eX- tend transversely across the corner from one surfaceto the other, as shown in Fig. 2. It is obvious that by pressing theouter end of the lever until it is in the position indicated by thebroken lines in Fig. 5, when it is clear of the notch, the nut will befree to be turned to the position where it may be removed by being slidlongitudinally from the spindle.

Ve claim as our invention- In a lock-nut for vehicles, the combination,with an axle-spindle, the outer end of which is provided with a notchand with oppositely located lugs, each lug having a lateral recesstherein and terminating at a distance from the tip of the spindle beingbeveled orinclined at its outer end and joining the surface of thespindle with a feather-edge, of a nut on the spindle having alongitudinal recess in one corner, the bore of the nut beingsubstantially bell-shaped in longitudinal cross-section to correspondwith the exterior of the lugs on the spindle and havingoppositely-located lugs to slide between the lugs of the spindle and beturned with the nut into the recesses thereof, the cooperativecontacting faces of said lugs and recesses being straight from end toend and inclined at an angle to the axis of the spindle, a leverpivotally mounted in the nut, the inner end of which is in position toenter the notch in the spindle and the outer end overhangs the recess,and a spring in the recess in engagement with the outer end of the leverto hold the inner end in the notch in the end of the spindle.

In testimony whereof we have signed our names in the presence ofwitnesses.

W ILLIAM BELFIELD. ROBERT SHEARER. JOHN FINDLAY. GAMALIEL BELFIELD.GEORGE GLEASON.

Witnesses:

C. A. BJORK, S. F. Tnownmnen.

